package com.eschool.util;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {
    
    public static final SessionFactory sessionFactory;
    
    static {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            sessionFactory = new Configuration().configure("hibernate.cfg.xml").buildSessionFactory();
        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
    
    
    public static Session currentSession() throws HibernateException {

		Session s = sessionFactory.openSession();

        return s;
    }
    
    public static void closeSession(Session s) throws HibernateException {

            s.close();
    } 
}